package com.jeecg;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.net.Socket;

public class Processor extends Thread {
	
	private Socket socket;
	
	private InputStream in;
	
	private PrintStream out;
	
	private final static String WEB_ROOT = "C:\\Users\\wangy\\workspace\\webserver\\htdocs";
	
	public Processor(Socket socket){
		this.socket = socket;
		try {
			in = socket.getInputStream();
			out = new PrintStream(socket.getOutputStream());
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
	
	public Processor(){
		
	}
	
	public void run(){
		String filename = parse(in);
		sendFile(filename);
	}
	
	public String parse(InputStream in){
		BufferedReader br = new BufferedReader(new InputStreamReader(in));
		String filename = null;
		try {
			String httpMessage = br.readLine();
			String[] content = httpMessage.split(" ");
			
			if(content.length != 3){
				this.sendErrorMessage(400, "Client query error");
				return null;
			}
			
			System.out.println("code:"+content[0]+",filename:"+content[1]+",http version:"+content[2]);
			filename = content[1];
			
		} catch (IOException e) {
			e.printStackTrace();
		}
		return filename;
	}
	
	public void sendErrorMessage(int errorCode,String errMessage){
		out.println("HTTP/1.0 "+errorCode+" "+errMessage);
		out.println("content-type: text/html");
		out.println();
		out.println("<html>");
		out.println("<title>Error Message");
		out.println("</title>");
		out.println("<body>");
		out.println("<h1>ErrorCode:" + errorCode + ",Message:" + errMessage + "</h1>");
		out.println("</body>");
		out.println("</html>");
		out.flush();
		out.close();
		try {
			in.close();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
	
	public void sendFile(String fileName){
		File file = new File(Processor.WEB_ROOT+fileName);
		if(!file.exists()){
			sendErrorMessage(404, "File Not Found");
			return;
		}
		try {
			InputStream in = new FileInputStream(file);
			byte content[] = new byte[(int) file.length()];
			in.read(content);
			out.println("HTTP/1.0 200 queryfile");
			out.println("content-length:"+content.length);
			out.println();
			out.write(content);
			out.flush();
			out.close();
			in.close();
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
	}

}
